Abrush fire is burning on a rock ledge on one side of a ravine that is 25 m wide. a fire truck sits on the opposite side of the ravine at an elevation 4.5 m above the burning brush. the fire hose nozzle is aimed 35∘ above horizontal, and the firefighters control the water velocity by adjusting the water pressure. because the water supply at a wilderness fire is limited, the firefighters want to use as little as possible.

at what speed should the stream of water leave the hose so that the water hits the fire on the first shot?

nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation:

the answer to this question is 60 n

i think the answer is a, hope this : )